Which statement best describes rehabilitation?

• A. Natural ecosystem repair process after disturbance, without human help.
• B. The replacement of one species with another through competition.
• C. Natural ecosystem repair process, accelerated by human intervention.
• D. The fragmentation of habitats into patches.

Answer: (C)

Rehabilitation is about actively helping a damaged ecosystem recover and regain its functions, with human actions designed to speed up natural repair. This means steps like planting native vegetation, removing pollutants, managing invasive species, and restoring natural water or soil conditions to boost recovery. That’s why the best description is a natural ecosystem repair process accelerated by human intervention. It’s not purely natural repair without any help, which would be passive recovery, and it’s not about one species replacing another through competition or about habitat fragmentation, which are different ecological ideas.